reservoir pool

reservoir pool A large and usually abiotic store of a nutrient in a biogeochemical cycle. Exchanges between the reservoir pool and the active pool are typically slow by comparison with exchange within the active pool. Human activity, such as the mining of mineral resources, may profoundly alter this exchange rate, generally releasing an excess into the active pool which can only be accommodated by establishing a new equilibrium. This may in turn produce unfavourable conditions, manifested as chemical pollution (e.g. excess phosphorus in eutrophication, excess sulphur in acid rainfall and lake acidification). The potential for catastrophic change is such that a point could be reached where re-establishment of the old equilibrium becomes improbable (e.g. if excess carbon dioxide in the atmosphere triggered a runaway greenhouse effect).

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reservoir pool

reservoir pool A large and usually abiotic store of a nutrient in a biogeochemical cycle. Exchanges between the reservoir pool and the active pool are typically slow by comparison with exchange within the active pool. Human activity, such as the mining of mineral resources, may profoundly alter this exchange rate, generally releasing an excess into the active pool which can be accommodated only by establishing a new equilibrium. This may in turn produce unfavourable conditions, manifested as chemical pollution (e.g. excess phosphorus in eutrophication, excess sulphur in acid rainfall and lake acidification). The potential for catastrophic change is such that a point could be reached where reestablishment of the old equilibrium becomes improbable (e.g. if excess carbon dioxide in the atmosphere triggered a runaway greenhouse effect).

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reservoir pool

reservoir pool Large and usually abiotic store of a nutrient in a biogeochemical cycle. Exchanges between the reservoir pool and the active pool are typically slow by comparison with exchange within the active pool. Human activity, such as the mining of mineral resources, may profoundly alter this exchange rate, generally releasing an excess into the active pool which can be accommodated only by establishing a new equilibrium. This may in turn produce unfavourable conditions, manifested as chemical pollution, e.g. excess phosphorus in eutrophication, excess sulphur in acid rainfall, and lake acidification.

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